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Old 02-09-2020, 12:44 PM   #14
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: K20 with TH350/NP205

Quote:
Originally Posted by mongocanfly View Post
Thanks, that makes sense. I always thought it was the slippage of the TC. The 700r4 with lock-up doesn't seem as inefficient as the old TH350. But my 5 speed pickup definitely seems to have more power than the Suburban, with basically the same engine.
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Current/past Chevy/GMC trucks:
1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD

Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner
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